As Functional Manager for the Department of Defense (DoD), DSS provides security education, training, certification, and professional development for DoD and for other U.S. Government personnel, contractor employees, and representatives of foreign governments.
Vertigo is the most common type of dizziness. The most common diseases that result in vertigo are benign paroxysmal positional vertigo (BPPV), MÃ©niÃ¨re's disease, and labyrinthitis. Less common causes include stroke, brain tumors, brain injury, multiple sclerosis, and migraines.
Types of Vertigo. There are two types of vertigo â subjective and objective. 1  In the subjective variety of vertigo, patients feel that they is moving or spinning around. 2  In objective vertigo the patient suffers from the illusion that the surroundings are moving or spinning.ertigo is a symptom where a person has the feeling of a spinning motion without any actual motion in the envirobment. It is a form of dizziness but the difference between vertigo and classical dizziness is that in dizziness there is lightheadedness and even fainting.